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Finding the Fourth Proportional to 10,799.75, 16,199.73 and 3,779.75

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Solution

The fourth proportional to 10,799.75, 16,199.73 and 3,779.75 is: 5,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,799.75 : 16,199.73 = 3,779.75 : x
  2. Step 2: Convert to fraction form
    10,799.75/16,199.73 = 3,779.75/x
  3. Step 3: Cross multiply
    10,799.75x = 16,199.73 × 3,779.75
  4. Step 4: Simplify right side
    10,799.75x = 61,230,929.47
  5. Step 5: Solve for x
    x = 61,230,929.47/10,799.75
  6. Step 6: Final answer
    x = 5,669.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.